Mewtwo - Round 2

After defeating everyone of Gym Leader Castle (Gyms, Elite Four, Rival) and all of the Cups in the Stadium (R-2), you will once again get the chance to battle Mewtwo. Mewtwo will once again be at Level 100 and this time knows the moves Psychic, Rest, Thunderbolt, and Amnesia. Fortunately, you get to use Six Pokemon to battle only Mewtwo.